You can download for OST to PST Converter software which is capable to recover deleted, inaccessible or corrupted MS Outlook data items such as email messages, complete attachments, appointments, contacts, journals and notes from Outlook.The software safely converts all mail items of Offline folder (OST) file and saves them in new Outlook PST file, along with giving option to save as EML, MSG, RTF, HTML, and PDF formats.

You should try OST to PST Converter Tool to convert OST file to PST File with original format- TXT, HTML and RTF. With the using of OST converter software you can smoothly Export OST file to PST file with all attachments- Inbox, Outbox, Sent Items, Deleted Items, Draft, Journals, Tasks, Calendars, Notes, and Contacts in few minutes.